Bochs
coreboot
Bochs | coreboot | |
---|---|---|
4 | 92 | |
734 | 2,076 | |
9.5% | 1.3% | |
9.7 | 10.0 | |
4 days ago | 6 days ago | |
C++ | C | |
GNU Lesser General Public License v3.0 only | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Bochs
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Ask HN: Where can I find a primer on how computers boot?
The following is a pretty decent historical page about the pre-(U)EFI MBR (Master Boot Record) boot process:
https://thestarman.pcministry.com/asm/mbr/STDMBR.htm
Note that EFI/UEFI -- occurred much later in time than MBR...
Related: https://en.wikipedia.org/wiki/Master_boot_record
You might also wish to check out some emulators, most notably Bochs (https://bochs.sourceforge.io/) and QEMU (https://www.qemu.org/) because they simulate the boot process, and if you're in their debuggers, you should be able to inspect that process step by step -- but also more generally emulators for other machines/platforms/architectures (https://en.wikipedia.org/wiki/List_of_computer_system_emulat...) -- because in general, most of those emulators should simulate the given machine/platform/architecture's boot process...
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Can anyone recommend some good free tools for programming, debugging, and virtualization on Ubuntu?
With both of those you can make some really nice DOS programs. Which you can then run in bochs (not virtualized, but an emulator. Close enough :) ).
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80286 ROM BIOS - open-source code base?
Just took a look myself, check this out:
coreboot
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Chromebooks will get 10 years of automatic updates
Why BIOS (did you mean UEFI?) when it runs the best boot loader, which is Coreboot¹. Many users would love to re-flash their bios/uefi for it, if it’s supported.
1: https://www.coreboot.org/
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C++ is everywhere, but noone really talks about it. What are people's thoughts?
Coreboot is 0.6% C++.
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Laptops with best Linux support (latest gen, battery life, performance)?
NovaCustom ; some models come with Dasharo a coreboot distribution.
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Asus flip c302 last update
You can also use Mr. Chromebox Script to install Coreboot on your chromebook to get a UEFI BIOS on your Chromebook and then you can go an install either a linux distro or even Windows if you want. It's a pretty straightforward process and also reversable if you want to go back to just using ChromeOS.
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A Linux laptop under 1350€
Some models are available with Dasharo a [coreboot]https://www.coreboot.org/) distribution.
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why no haswell_ult_dmi_registers for broadwell? in https://github.com/coreboot/coreboot/blob/master/util/inteltool/pcie.c
why no haswell_ult_dmi_registers for broadwell? in https://github.com/coreboot/coreboot/blob/master/util/inteltool/pcie.c
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Having issues restoring the firmware with u/MrChromebox's utility
use croshfirmware.sh from https://github.com/coreboot/coreboot/tree/master/util/chromeos
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AMD to move to open source firmware in 2026
There may be other protections to restrict SPI flash access for security reasons (so you might not be able to flash your custom firmware in the OS), but worst case you can use a HW flasher (or maybe USB flashback). Still, this doesn't address the elephant in the room - platform initialization code might be open-sourced, but that isn't everything. You'll still need to figure out the board-specific stuff (the Super I/O chip, chipset GPIOs, other peripherals, etc.). Using coreboot as an example, Intel provides the Firmware Support Package blob to handle platform initialization. I think AGESA is somewhat similar to this, though Intel publicly releases the binaries for use in coreboot/etc. Thanks to the FSP, coreboot has support for recent Intel chipsets. However, there is only support for two recent consumer boards: the MSI PRO Z690-A WiFi DDR4 and DDR5.
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what is VCU (Validation Control Unit) mailbox in haswell nri
does anyone know what is https://github.com/coreboot/coreboot/blob/b12caef23bc1b29c2e658f2b728cc4beac1e62b9/src/northbridge/intel/haswell/vcu_mailbox.c
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Need stock ROM for Acer Chromebook CB314 - DROID
Download crosfirmware.sh and run it from command line: bash crosfirmware.sh droid
What are some alternatives?
TinyBIOS - A mirror of TinyBIOS repository
1vyrain - LiveUSB Bootable exploit chain to unlock all features of xx30 ThinkPad machines. WiFi Whitelist, Advanced Menu, Overclocking.
tianocore
edk2 - EDK II
linux-insides - A little bit about a linux kernel
u-boot - "Das U-Boot" Source Tree
8088_bios - BIOS for Intel 8088 based computers
UEFITool - UEFI firmware image viewer and editor
All-Stages-of-Linux-Booting-
OpenCore-Install-Guide - Repo for the OpenCore Install Guide
QEMU - Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.
thinkpad-firmware-patches - Collection of ThinkPad UEFI patches.